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Re: [Xen-users] Share config between servers
| To: | Digimer <linux@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Share config between servers |
| From: | Iain Kay <spam@xxxxxxxxxxx> |
| Date: | Thu, 16 Jun 2011 18:03:51 +0100 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 16 Jun 2011 10:05:54 -0700 |
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On 16 Jun 2011, at 17:48, Digimer wrote: > Also, 1m30s for a 100Mbit link isn't unreasonable for a live migration, if > your VM(s) have a decent amount of RAM. That RAM needs to be copied to the > target, while tracking changes to the memory as the VM is still active during > the process. Agreed. 100Mbit/s is really very slow and 1m 30s to copy a VM is respectable. 100Mbit/s can only reach 12.5MB/s theoretically. Even operating at maximum theoretical speeds it would take 82 seconds to copy 1024MB of RAM over a link that slow. Iain _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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